#!/usr/bin/env node

const fs = require ('fs');
const src = process.argv[2],
      mod = process.argv[3];
if(process.argv.length != 4){
  console.error('命令行参数不正确！');
  process.exit(1);
i
}
try{
  fs.chmodSync(src,mod);
}catch(e){
  
  console.error(e.message);
  process.exit(2);
}
